Efficient Synthesis of Bicyclic α-Hydroxy-α-trifluoromethyl-γ-lactams - Shibata, Norio; Fujimoto, Hiroyuki; Mizuta, Satoshi; Ogawa, Shinichi; Ishiuchi, Yumi; Nakamura, Shuichi; Toru, Takeshi (Synlett, 2006)